The main features of Fourth Generation are: 

• VLSI technology used 

• Very cheap 

• Portable and reliable 

• Use of PC's 

• Very small size 

• Pipeline processing 

• No A.C. needed 

• Concept of internet was introduced 

• Great developments in the fields of networks 

• Computers became easily 

Available Some computer of this 

generation were:

• DEC 10 

• STAR 1000 

• PDP 11 

• CRAY-1(Super Computer) 

• CRAY-X-MP(Super Computer)

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